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//   Purpose: Definition of CFPChecker.
//   $Id$

#pragma once

#include "resource.h"
#include "fpcheck.h"
#include <atlctl.h>

class ATL_NO_VTABLE CFPChecker : public CComObjectRootEx<CComSingleThreadModel>,
                                 public CComCoClass<CFPChecker, &CLSID_FPChecker>,
                                 public IDispatchImpl<IFPChecker, &IID_IFPChecker, &LIBID_fpcheckLib, 1, 0>,
								 public IObjectSafetyImpl<CFPChecker, INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA>
{
public:
	CFPChecker();
	virtual ~CFPChecker();

	DECLARE_REGISTRY_RESOURCEID(IDR_FPCHECKER)

	BEGIN_COM_MAP(CFPChecker)
		COM_INTERFACE_ENTRY(IFPChecker)
		COM_INTERFACE_ENTRY2(IDispatch, IFPChecker)
		COM_INTERFACE_ENTRY(IObjectSafety)
	END_COM_MAP()

	STDMETHOD(get_isInstalled)(VARIANT_BOOL *pbIsInstalled);
	STDMETHOD(get_versionString)(BSTR *psVersionString);
	STDMETHOD(get_versionNum)(long *pnVersionNum);
	STDMETHOD(get_majorRev)(long *pnMajorRev);
	STDMETHOD(get_minorRev)(long *pnMinorRev);
	STDMETHOD(get_buildNum)(long *pnBuildNum);

	DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct(void);
	void FinalRelease(void);

private:
	CFPChecker(const CFPChecker &rhs);
	CFPChecker &operator=(const CFPChecker &rhs);

	static HRESULT FetchVersion(void);

	static bool sm_bInstalled;
	static CComBSTR sm_sVersion;
	static WORD sm_nVersion;
	static WORD sm_nMajorRev;
	static WORD sm_nMinorRev;
	static WORD sm_nBuild;
	static bool sm_bIsInstalledFlagSet;
	static bool sm_bIsVersionStringSet;
	static bool sm_bAreVersionNumbersSet;
};

OBJECT_ENTRY_AUTO(__uuidof(FPChecker), CFPChecker)
